Loans and Allowance for Loan Losses - Loans by risk category (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Loans outstanding by loan portfolio segment and risk category
Loans	$ 1,890,243	$ 1,758,020
Pass
Loans outstanding by loan portfolio segment and risk category
Loans	1,872,223	1,736,781
Special Mention
Loans outstanding by loan portfolio segment and risk category
Loans	5,958	480
Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	12,062	20,759
Commercial
Loans outstanding by loan portfolio segment and risk category
Loans	1,133,033	1,076,273
Commercial | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	1,118,008	1,056,145
Commercial | Special Mention
Loans outstanding by loan portfolio segment and risk category
Loans	5,893	480
Commercial | Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	9,132	19,648
Commercial | Commercial and industrial
Loans outstanding by loan portfolio segment and risk category
Loans	484,426	436,761
Commercial | Commercial and industrial | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	479,586	430,235
Commercial | Commercial and industrial | Special Mention
Loans outstanding by loan portfolio segment and risk category
Loans	1,204	480
Commercial | Commercial and industrial | Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	3,636	6,046
Commercial | Real estate construction
Loans outstanding by loan portfolio segment and risk category
Loans	48,870	40,619
Commercial | Real estate construction | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	48,870	40,619
Commercial | Commercial real estate
Loans outstanding by loan portfolio segment and risk category
Loans	599,737	598,893
Commercial | Commercial real estate | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	589,552	585,291
Commercial | Commercial real estate | Special Mention
Loans outstanding by loan portfolio segment and risk category
Loans	4,689
Commercial | Commercial real estate | Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	5,496	13,602
Consumer
Loans outstanding by loan portfolio segment and risk category
Loans	757,210	681,747
Consumer | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	754,215	680,636
Consumer | Special Mention
Loans outstanding by loan portfolio segment and risk category
Loans	65
Consumer | Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	2,930	1,111
Consumer | Residential | Real estate first mortgage
Loans outstanding by loan portfolio segment and risk category
Loans	568,571	510,716
Consumer | Residential | Real estate first mortgage | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	566,368	510,375
Consumer | Residential | Real estate first mortgage | Special Mention
Loans outstanding by loan portfolio segment and risk category
Loans	65
Consumer | Residential | Real estate first mortgage | Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	2,138	341
Consumer | Residential | Real estate junior lien
Loans outstanding by loan portfolio segment and risk category
Loans	135,255	125,668
Consumer | Residential | Real estate junior lien | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	134,537	124,898
Consumer | Residential | Real estate junior lien | Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	718	770
Consumer | Other revolving and installment
Loans outstanding by loan portfolio segment and risk category
Loans	53,384	45,363
Consumer | Other revolving and installment | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	53,310	$ 45,363
Consumer | Other revolving and installment | Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	$ 74